It uses a object to set the url fields accepted and it's values, parse the
fields and build the query with the values automagically

- Add proper error handling in libs/db/query_exec. Uses a catch function after each then to proper capture database errors and report them to the user.
- Add logging the error stack when a database query error occurs.
- Change error message reported in the response when a database query occurs, because the person making the request does not need to know about an internal error in the database.

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

- Add middleware to check for the appropriate Node version. This relies on the
engines.node flag being set on package.json.

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

Sanitize the location in the result

Closes simcaq/SCRUM#42

This reverts commit bfe64623, reversing
changes made to 9c8cfa58.

Also the req.sql attribute is being created ("injected") before all routes

Related: simcaq/SCRUM#18

Related: simcaq/SCRUM#18

Related: simcaq/SCRUM#18

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>

Signed-off-by: João Victor Tozatti Risso <jvtr12@inf.ufpr.br>